274742292474 has 192 divisors, whose sum is σ = 705780915840. Its totient is φ = 79352524800.

The previous prime is 274742292469. The next prime is 274742292479. The reversal of 274742292474 is 474292247472.

274742292474 is a `hidden beast` number, since 2 + 7 + 47 + 42 + 2 + 92 + 474 = 666.

It is an interprime number because it is at equal distance from previous prime (274742292469) and next prime (274742292479).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 274742292474.

It is not an unprimeable number, because it can be changed into a prime (274742292479) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43066617 + ... + 43072995.

It is an arithmetic number, because the mean of its divisors is an integer number (3675942270).

Almost surely, 2^274742292474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274742292474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352890457920).

274742292474 is an abundant number, since it is smaller than the sum of its proper divisors (431038623366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274742292474 is a wasteful number, since it uses less digits than its factorization.

274742292474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827 (or 6815 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 54.

The spelling of 274742292474 in words is "two hundred seventy-four billion, seven hundred forty-two million, two hundred ninety-two thousand, four hundred seventy-four".